<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <link rel="stylesheet" href="./bootstrap/css/bootstrap.css" />
    <style>
      .row div {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 50px;
      }
      .row div:first-child {
        background-color: pink;
      }

      .row div:nth-child(2) {
        background-color: #ccc;
      }

      .row div:last-child {
        background-color: skyblue;
      }
    </style>
  </head>
  <body>
    <div class="container-fluid">
      <div class="row">
        <div class="col-lg-2 col-md-2 col-sm-2">lg-4 md-8 sm-2</div>
        <div class="col-lg-6 col-md-8 col-sm-5">lg-6 md-2 sm-5</div>
        <div class="col-lg-4 col-md-2 col-sm-5">lg-2 md-2 sm-5</div>
      </div>
    </div>
  </body>
</html>
